TWSBI ECO Rootbeer with Bronze Fountain Pen

Indulge in the rich, sophisticated aesthetic of the TWSBI ECO Rootbeer with Bronze. This stunning addition to the ECO lineup pairs a deep, translucent "Rootbeer" brown cap and piston knob with elegant bronze-toned trim and a matching bronze-colored stainless steel nib. The crystal-clear demonstrator barrel offers a mesmerizing view of your ink, allowing you to see your favorite shades slosh within the massive reservoir.

Built with TWSBI’s signature high-quality engineering, the ECO (short for "Economical") is the gold standard for piston-filler fountain pens. Whether you are a dedicated collector or a first-time user, this pen provides a smooth, reliable writing experience and an impressive ink capacity that far outlasts standard cartridges.

Key Features:

• Integrated Piston Filling System: A high-capacity reservoir that draws ink directly from the bottle with a simple twist—no cartridges or converters required.
• Transparent Demonstrator Body: The high-quality acrylic barrel reveals the internal piston mechanism and your current ink level.
• Bronze Trim & Nib: Features a unique bronze-finished clip, band, and polished stainless steel nib for a warm, vintage-inspired look.
• Airtight Cap Seal: An internal O-ring seal prevents the nib from drying out, ensuring your pen is ready to write the moment it touches paper.
• Maintenance Kit Included: Comes with a wrench and silicone grease, empowering you to perform long-term DIY servicing.

Product Details:

Property	Details
Brand	TWSBI
Model	ECO (Rootbeer with Bronze)
Color	Translucent Rootbeer Brown / Bronze Trim
Body Material	High-quality Transparent Resin
Filling System	Integrated Piston Filler (No cartridges/converters needed)
Nib Material	Bronze-toned Polished Stainless Steel
Nib Sizes	Extra Fine (EF), Fine (F), Medium (M), Broad (B), 1.1mm Stub
Ink Capacity	~1.76 ml
Cap Design	Faceted Anti-Roll Hexagon